If I was Peter Dinklage and someone came up to me and said "Hey it's Peter Dinklage" I'd reply "I'm not Peter Dinklage dude" and just stand there and watch as they become increasingly distressed and embarrassed and stare at them.
Ya'll have a kid at school who everyone would watch in awe as he went from location to location in the quad eating pizza crusts on the ground. Hope mines doing alright